var theLi = document.getElementsByClassName("theL")
var theSpan = document.getElementsByClassName("theSpa")
var for_Us = document.getElementById("for_us")
var our_promise = document.getElementById("our_promise")
for(var i = 0; i < theLi.length; i++) {
	theLi[i].ind = i
	theLi.onclick = function() {
		if(this.ind == 0) {
			for_Us.style.display = "block"
		}
		if(this.ind == 1){
			our_promise.style.display = "block"
		}
	}
}